def fun(arg1,arg2):
    print('arg1=',arg1)
    print('arg2=',arg2)
    arg1=100
    arg2.append(10)
    print('arg1=',arg1)
    print('arg2=',arg2)


n1=6
n2=[1,2,3,4]
print('n1=',n1)
print('n2=',n2)
fun(n1,n2)
print('n1=',n1)
print('n2=',n2)
